: Double-click the newly created room to modify its floor. By default, the floor of this upper level will act as your flat roof.
: You can download larger furniture libraries (like the Scopia or Contributions sets) that often include simple geometric shapes like slabs, which are perfect for flat roofs. Pro-Tips for a Better Design
: Go to the Plan menu and select Add Level . This creates a new floor above your current one.
: Use the Create Rooms tool to draw a room that matches the footprint of your building on this new level.
: Look for the Modular Roof Library #330 on SourceForge, which includes various roof sections that can be pieced together.
: Set the elevation of this new level to the height of your walls (e.g., 250 cm).
